• 2x 100GBASE-LR4 (200G aggregate)
• Dual Duplex CS connector
• Up to 10km reach over OS2 single-mode fiber
• 1295–1309nm CWDM wavelength grid
• Operating temperature: 0°C to 70°C
• Hot-swappable, DDM/DOM diagnostics
• Compliant with IEEE 802.3ba/bm and QSFP-DD MSA standardsCompatible with: Cisco 8201 series, NCS 57C1/57C3 series routers, and other QSFP-DD-equipped platformsCondition: Used, pulled from a working environment. Fully tested and confirmed functional. Shows normal handling wear from prior deployment — no damage to connector, pins, or housing. Genuine Cisco hologram label present and verifiable (P/N QDD-2X100-LR4-S, 10-3422-02).Quantity: 8 units available — message us for multi-unit pricing on bulk orders.⚠️ California Prop 65 WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.